package com.ykh.spring.pojo.service;

import com.ykh.spring.pojo.dao.BookDao;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: YKH
 * Date: 2022-08-25
 * Time: 21:27
 */
public interface BookService {
    void buyBook(Integer bookId, Integer userId);

}
